SEASONAL-VARIATION IN GROWTH OF MASTOMYS-NATALENSIS (RODENTIA, MURIDAE) IN MOROGORO, TANZANIA

被引：48
|
作者：
LEIRS, H
STUYCK, J
VERHAGEN, R
VERHEYEN, W
机构：
[1] Tanzania‐Belgium Rodent Research Project, Sokoine University of Agriculture, Morogoro
来源：
AFRICAN JOURNAL OF ECOLOGY | 1990年 / 28卷 / 04期
关键词：
GROWTH; MASTOMYS; RODENTS; TANZANIA; BREEDING SEASONS;
D O I：
10.1111/j.1365-2028.1990.tb01164.x
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
The paper describes seasonal growth variation in a free living population of Mastomys natalensis (Smith, 1834) from Morogoro, Tanzania. Growth patterns are associated with rainfall patterns. Young animals enter a growth stop at the end of the dry season (October-November) and growth is only resumed after the first heavy rains. Reproduction is more related to size than to age. If the heavy rains come early in the rainy season, animals start reproducing in the beginning of the year. The resulting young reach their maximal size without growth stop and start reproducing immediately. Possible causes for the growth stop are discussed. Growth phenomena are thought to explain at least partially the relation between rainfall and reproduction in Mastomys.
引用
收藏
页码：298 / 306
页数：9
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